![Bulgaria first day envelope of №3234 from the catalog from 1983.](/uploaded/1/005451/5451828/thumb/5451828_b_1599663760.jpg)
Bulgaria first day envelope of №3234 from the catalog from 1983.
~154 €
4d 18h 13m
stoian76
![Bulgaria is an ancient envelope of №1538 from 1964.](/uploaded/0/007134/7134754/thumb/7134754_b_1696489413.jpg)
Bulgaria is an ancient envelope of №1538 from 1964.
~103 €
4d 19h 33m
stoian76
![Bulgaria first day envelope of #1812 from the 1967 catalog.](/uploaded/0/007134/7134755/thumb/7134755_b_1696489394.jpg)
Bulgaria first day envelope of #1812 from the 1967 catalog.
~154 €
4d 19h 33m
stoian76
![Bulgaria is an ancient envelope of № 1375 from 1962.](/uploaded/0/007134/7134768/thumb/7134768_b_1696489356.jpg)
Bulgaria is an ancient envelope of № 1375 from 1962.
~513 €
4d 19h 33m
stoian76
![1999 China First Day Envelope](/uploaded/0/005220/5220533/thumb/5220533_b_1587024013.jpg)
1999 China First Day Envelope
~770 €
5d 7h 3m
stoian76
![1999 China First Day Envelope](/uploaded/0/005220/5220537/thumb/5220537_b_1587024122.jpg)
1999 China First Day Envelope
~770 €
5d 7h 3m
stoian76
![China First Day Envelope from 1989 philatelic exhibition](/uploaded/0/005220/5220543/thumb/5220543_b_1587024296.jpg)
China First Day Envelope from 1989 philatelic exhibition
~513 €
5d 7h 3m
stoian76
![Bulgaria first day envelope of №3528 from the 1986 catalog.](/uploaded/0/005452/5452895/thumb/5452895_b_1599736508.jpg)
Bulgaria first day envelope of №3528 from the 1986 catalog.
~308 €
5d 7h 38m
stoian76
![Bulgaria Clean envelope from 1984](/uploaded/0/005452/5452900/thumb/5452900_b_1599736669.jpg)
Bulgaria Clean envelope from 1984
~103 €
5d 7h 38m
stoian76
![Bulgaria First day envelope from 1984 - 1](/uploaded/0/005452/5452907/thumb/5452907_b_1599736864.jpg)
Bulgaria First day envelope from 1984 - 1
~103 €
5d 7h 38m
stoian76
![Bulgaria First day envelope from 1984 - 2](/uploaded/0/005452/5452914/thumb/5452914_b_1599736900.jpg)
Bulgaria First day envelope from 1984 - 2
~103 €
5d 7h 38m
stoian76
![Bulgaria first day envelope from 1973](/uploaded/0/005452/5452927/thumb/5452927_b_1599737207.jpg)
Bulgaria first day envelope from 1973
~462 €
5d 7h 38m
stoian76
![Bulgaria first-day air mail envelope No. 1446/50 of 1963](/uploaded/0/007134/7134765/thumb/7134765_b_1695296446.jpg)
Bulgaria first-day air mail envelope No. 1446/50 of 1963
~308 €
5d 12h 45m
stoian76
![Bulgaria first-day air mail envelope No.144 / 05 of 1962.](/uploaded/0/007134/7134769/thumb/7134769_b_1695296415.jpg)
Bulgaria first-day air mail envelope No.144 / 05 of 1962.
~513 €
5d 12h 45m
stoian76
![USSR illustrated envelope with first-day printing](/uploaded/0/003816/3816488/thumb/3816488_b_1582124745.jpg)
USSR illustrated envelope with first-day printing
~051 €
5d 23h 18m
stoian76
![Bulgaria PRELIMINARY PLIC series from 1937.](/uploaded/1/004845/4845982/thumb/4845982_b_1607499932.jpg)
Bulgaria PRELIMINARY PLIC series from 1937.
~462 €
5d 23h 18m
stoian76
![CURIOS Bulgaria first day envelope of #1243 from 1960.](/uploaded/1/004993/4993512/thumb/4993512_b_1715761342.jpg)
CURIOS Bulgaria first day envelope of #1243 from 1960.
~2567 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1371 / 72 from 1962.](/uploaded/1/004993/4993627/thumb/4993627_b_1684239419.jpg)
RED STAMP Bulgaria first day envelope on №1371 / 72 from 1962.
~513 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1393 / 94 from 1962.](/uploaded/1/004993/4993646/thumb/4993646_b_1684239462.jpg)
RED STAMP Bulgaria first day envelope on №1393 / 94 from 1962.
~513 €
5d 23h 18m
stoian76
![Bulgaria an ancient envelope of No. 1439/40 of 1963. 1st kind](/uploaded/1/004993/4993671/thumb/4993671_b_1575385162.jpg)
Bulgaria an ancient envelope of No. 1439/40 of 1963. 1st kind
~154 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1442 from 1963.](/uploaded/1/004993/4993695/thumb/4993695_b_1684239505.jpg)
RED STAMP Bulgaria first day envelope on №1442 from 1963.
~513 €
5d 23h 18m
stoian76
![Bulgaria an ancient envelope of №1451 / 53 from 1963.](/uploaded/1/004993/4993732/thumb/4993732_b_1575386830.jpg)
Bulgaria an ancient envelope of №1451 / 53 from 1963.
~154 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1454 / 58 from 1963.](/uploaded/1/004993/4993735/thumb/4993735_b_1687247929.jpg)
RED STAMP Bulgaria first day envelope on №1454 / 58 from 1963.
~770 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of №4454 / 59 from 1963.](/uploaded/1/004993/4993738/thumb/4993738_b_1575387126.jpg)
Bulgaria's first-day envelope of №4454 / 59 from 1963.
~308 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope of №1488 from 1964.](/uploaded/1/004993/4993763/thumb/4993763_b_1684239606.jpg)
RED STAMP Bulgaria first day envelope of №1488 from 1964.
~513 €
5d 23h 18m
stoian76
![Bulgaria is an ancient envelope of №477 / 81 from 1964.](/uploaded/1/004993/4993765/thumb/4993765_b_1575446570.jpg)
Bulgaria is an ancient envelope of №477 / 81 from 1964.
~154 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1497 / 02 from 1964.](/uploaded/1/004993/4993769/thumb/4993769_b_1684239635.jpg)
RED STAMP Bulgaria first day envelope on №1497 / 02 from 1964.
~513 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of №1509 / 10 since 1964.](/uploaded/1/004993/4993775/thumb/4993775_b_1575446503.jpg)
Bulgaria's first-day envelope of №1509 / 10 since 1964.
~154 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on 131513/18 from 1964.](/uploaded/1/004993/4993790/thumb/4993790_b_1684239754.jpg)
RED STAMP Bulgaria first day envelope on 131513/18 from 1964.
~770 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1545 from 1964.](/uploaded/0/004994/4994439/thumb/4994439_b_1616576527.jpg)
RED STAMP Bulgaria first day envelope on №1545 from 1964.
~513 €
5d 23h 18m
stoian76
![RED STAMP Bulgaria first day envelope on №1545 from 1964.](/uploaded/0/004994/4994443/thumb/4994443_b_1616576467.jpg)
RED STAMP Bulgaria first day envelope on №1545 from 1964.
~770 €
5d 23h 18m
stoian76
![Bulgaria is an ancient envelope of №1559 / 64 from 1964.](/uploaded/0/004994/4994453/thumb/4994453_b_1575447685.jpg)
Bulgaria is an ancient envelope of №1559 / 64 from 1964.
~205 €
5d 23h 18m
stoian76
![Bulgaria is an ancient envelope of №1461 from 1963.](/uploaded/0/004994/4994462/thumb/4994462_b_1575447902.jpg)
Bulgaria is an ancient envelope of №1461 from 1963.
~154 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of No. 167 of 1966.](/uploaded/0/004994/4994468/thumb/4994468_b_1575448130.jpg)
Bulgaria's first-day envelope of No. 167 of 1966.
~154 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope at No. 1808 since 1966.](/uploaded/0/004994/4994469/thumb/4994469_b_1575448216.jpg)
Bulgaria's first-day envelope at No. 1808 since 1966.
~103 €
5d 23h 18m
stoian76
![Bulgaria is an ancient envelope of №1737 / 38 from 1966.](/uploaded/0/004994/4994470/thumb/4994470_b_1575448351.jpg)
Bulgaria is an ancient envelope of №1737 / 38 from 1966.
~154 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope at No. 1681/88 since 1966.](/uploaded/0/004994/4994477/thumb/4994477_b_1575448863.jpg)
Bulgaria's first-day envelope at No. 1681/88 since 1966.
~359 €
5d 23h 18m
stoian76
![Bulgaria is a first-day envelope of №1700 from 1966.](/uploaded/0/004994/4994484/thumb/4994484_b_1575449255.jpg)
Bulgaria is a first-day envelope of №1700 from 1966.
~154 €
5d 23h 18m
stoian76
![Bulgaria is an ancient envelope of №1701 / 02 from 1966.](/uploaded/0/004994/4994487/thumb/4994487_b_1575449230.jpg)
Bulgaria is an ancient envelope of №1701 / 02 from 1966.
~154 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of № 1704/07 from 1966.](/uploaded/0/004994/4994491/thumb/4994491_b_1575449334.jpg)
Bulgaria's first-day envelope of № 1704/07 from 1966.
~154 €
5d 23h 18m
stoian76
![Bulgaria an ancient envelope of №1745 / 52 from 1966.](/uploaded/0/004994/4994496/thumb/4994496_b_1575449474.jpg)
Bulgaria an ancient envelope of №1745 / 52 from 1966.
~154 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of No. 1,759 from 1967.](/uploaded/0/004994/4994504/thumb/4994504_b_1575449630.jpg)
Bulgaria's first-day envelope of No. 1,759 from 1967.
~103 €
5d 23h 18m
stoian76
![Bulgaria an early envelope of №1922 / 29 from the 1969 catalog.](/uploaded/0/004994/4994924/thumb/4994924_b_1575467838.jpg)
Bulgaria an early envelope of №1922 / 29 from the 1969 catalog.
~154 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of 1951 from the 1969 catalog.](/uploaded/0/004994/4994938/thumb/4994938_b_1575468306.jpg)
Bulgaria's first-day envelope of 1951 from the 1969 catalog.
~077 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of №2097 from the 1970 catalog.](/uploaded/0/004994/4994957/thumb/4994957_b_1575468788.jpg)
Bulgaria's first-day envelope of №2097 from the 1970 catalog.
~103 €
5d 23h 18m
stoian76
![Bulgaria first day envelope of №2020 / 27 from the 1969 catalog.](/uploaded/1/004995/4995116/thumb/4995116_b_1575474131.jpg)
Bulgaria first day envelope of №2020 / 27 from the 1969 catalog.
~205 €
5d 23h 18m
stoian76
![Bulgaria an early envelope of №2028 / 33 from the 1969 catalog.](/uploaded/1/004995/4995123/thumb/4995123_b_1575474391.jpg)
Bulgaria an early envelope of №2028 / 33 from the 1969 catalog.
~103 €
5d 23h 18m
stoian76
![Bulgaria an early envelope of № 2383/84 from the 1974 catalog.](/uploaded/1/004995/4995131/thumb/4995131_b_1575474879.jpg)
Bulgaria an early envelope of № 2383/84 from the 1974 catalog.
~077 €
5d 23h 18m
stoian76
![Bulgaria an early envelope of №2270 / 76 from the 1972 catalog.](/uploaded/1/004995/4995135/thumb/4995135_b_1575475039.jpg)
Bulgaria an early envelope of №2270 / 76 from the 1972 catalog.
~205 €
5d 23h 18m
stoian76
![Bulgaria's first-day envelope of №2477 / 81 since 1975](/uploaded/0/005116/5116341/thumb/5116341_b_1582182267.jpg)
Bulgaria's first-day envelope of №2477 / 81 since 1975
~077 €
5d 23h 18m
stoian76
![Bulgaria is an ancient envelope of No. 2522 from 1975.](/uploaded/0/005116/5116378/thumb/5116378_b_1582183905.jpg)
Bulgaria is an ancient envelope of No. 2522 from 1975.
~154 €
5d 23h 18m
stoian76
![Bulgaria FIRST ENGINE complete set №2539 / 44 1976](/uploaded/0/005116/5116381/thumb/5116381_b_1582184089.jpg)
Bulgaria FIRST ENGINE complete set №2539 / 44 1976
~128 €
5d 23h 18m
stoian76
![black STAMP first day envelope Olympic Games Tokyo 1964](/uploaded/0/006466/6466134/thumb/6466134_b_1655984293.jpg)
black STAMP first day envelope Olympic Games Tokyo 1964
~051 €
5d 23h 18m
stoian76
![first day stamp, 1964 Tokyo Olympics envelope](/uploaded/0/006466/6466139/thumb/6466139_b_1655984382.jpg)
first day stamp, 1964 Tokyo Olympics envelope
~051 €
5d 23h 18m
stoian76
![first day printing, envelope for VP 1964 Tokyo Olympic Games](/uploaded/0/006466/6466146/thumb/6466146_b_1655984562.jpg)
first day printing, envelope for VP 1964 Tokyo Olympic Games
~051 €
5d 23h 18m
stoian76
![Actually traveled CURIOUS envelope with #1538A from 1964. souvenir block](/uploaded/1/006603/6603420/thumb/6603420_b_1715760274.jpg)
Actually traveled CURIOUS envelope with #1538A from 1964. souvenir block
~3080 €
5d 23h 55m
stoian76
![Bulgaria first day envelope of "60 years of Bulgarian Post" SOFIA](/uploaded/1/005775/5775656/thumb/5775656_b_1645438604.jpg)
Bulgaria first day envelope of "60 years of Bulgarian Post" SOFIA
~154 €
6d 7h 48m
stoian76
![Bulgaria first-day envelope Balkan Fila 2023 "Night butterflies"](/uploaded/1/007635/7635889/thumb/7635889_b_1721499112.jpg)
Bulgaria first-day envelope Balkan Fila 2023 "Night butterflies"
~513 €
6d 21h 53m
stoian76
![Bulgaria's first-day envelope of No. 2440 from the 1974 catalog.](/uploaded/1/007635/7635890/thumb/7635890_b_1721499113.jpg)
Bulgaria's first-day envelope of No. 2440 from the 1974 catalog.
~026 €
6d 21h 53m
stoian76
![Bulgaria an ancient envelope of No. 2488/93 from 1975](/uploaded/1/007635/7635891/thumb/7635891_b_1721499113.jpg)
Bulgaria an ancient envelope of No. 2488/93 from 1975
~077 €
6d 21h 53m
stoian76